Carrot Cake Whoopie Pies with Coconut

For the Cake Tops:

all-purpose flour

baking soda

baking powder

ground cinnamon

ground ginger

salt

unsalted butter, at room temperature

granulated sugar

light brown sugar, packed

large eggs, at room temperature

vanilla extract

freshly grated carrots

sweetened, shredded coconut

For the Coconut Cream Cheese Frosting:

cream cheese, softened

unsalted butter, softened

powdered sugar, sifted

table salt

coconut extract

toasted sweetened, shredded coconut